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                    Closing price on 5/12/2015
                 |  |  
    
        |           
                
                    | Open | 6.40 |  
                    | High | 6.60 |  
                    | Low | 6.40 |  
                    | Volume | 89,600 |  
                    | Split-adjusted Price | 5.28 |  
                
             | 
 |  NVB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/12/2015 | 0.00 / 0.00% | 6.40 | 6.60 | 6.40 | 6.60 | 6.50 | 5.28 | 89,600 |   |  
            | 5/11/2015 | 0.00 / 0.00% | 6.50 | 6.60 | 6.50 | 6.60 | 6.50 | 5.28 | 95,526 |   |  			
            | 5/8/2015 | -0.10 / -1.49% | 6.60 | 6.70 | 6.50 | 6.60 | 6.59 | 5.28 | 108,200 |   |  
            | 5/7/2015 | 0.00 / 0.00% | 6.70 | 6.70 | 6.60 | 6.70 | 6.70 | 5.36 | 99,700 |   |  			
            | 5/6/2015 | +0.10 / +1.52% | 7.00 | 7.00 | 6.60 | 6.70 | 6.70 | 5.36 | 106,500 |   |  
            | 5/5/2015 | -0.10 / -1.49% | 6.10 | 6.60 | 6.10 | 6.60 | 6.45 | 5.28 | 400 |   |  			
            | 5/4/2015 | 0.00 / 0.00% | 6.20 | 6.70 | 6.20 | 6.70 | 6.37 | 5.36 | 370 |   |  
            | 4/27/2015 | +0.50 / +8.06% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 5.36 | 400 |   |  			
            | 4/24/2015 | -0.50 / -7.46% | 6.50 | 6.50 | 6.20 | 6.20 | 6.45 | 4.96 | 700 |   |  
            | 4/23/2015 | 0.00 / 0.00% | 6.70 | 7.00 | 6.70 | 6.70 | 6.70 | 5.36 | 1,000,000 |   |  			
            | 4/22/2015 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 5.36 | 0 |   |  
            | 4/21/2015 | 0.00 / 0.00% | 6.20 | 6.70 | 6.20 | 6.70 | 6.46 | 5.36 | 19,200 |   |  			
            | 4/20/2015 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 5.36 | 0 |   |  
            | 4/17/2015 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 5.36 | 0 |   |  			
            | 4/16/2015 | 0.00 / 0.00% | 6.50 | 6.70 | 6.10 | 6.70 | 6.29 | 5.36 | 5,300 |   |  
            | 4/15/2015 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 5.36 | 0 |   |  			
            | 4/14/2015 | 0.00 / 0.00% | 6.80 | 6.80 | 6.70 | 6.70 | 6.80 | 5.36 | 4,400 |   |  
            | 4/13/2015 | 0.00 / 0.00% | 6.50 | 6.70 | 6.50 | 6.70 | 6.50 | 5.36 | 4,240,700 |   |  			
            | 4/10/2015 | 0.00 / 0.00% | 6.60 | 6.70 | 6.60 | 6.70 | 6.64 | 5.36 | 1,600 |   |  
            | 4/9/2015 | -0.10 / -1.47% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 5.36 | 1,500 |   |  			
            | 4/8/2015 | -0.10 / -1.45% | 6.50 | 6.90 | 6.50 | 6.80 | 6.57 | 5.44 | 7,700 |   |  
            | 4/7/2015 | 0.00 / 0.00% | 6.60 | 7.00 | 6.50 | 6.90 | 6.90 | 5.52 | 111,600 |   |  			
            | 4/6/2015 | 0.00 / 0.00% | 6.90 | 6.90 | 6.90 | 6.90 | 6.90 | 5.52 | 0 |   |  
            | 4/3/2015 | +0.40 / +6.15% | 6.50 | 7.00 | 6.50 | 6.90 | 6.60 | 5.52 | 31,700 |   |  			
            | 4/2/2015 | +0.10 / +1.56% | 6.00 | 6.50 | 6.00 | 6.50 | 6.04 | 5.20 | 5,800 |   |  
            | 4/1/2015 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 5.12 | 0 |   |  			
            | 3/31/2015 | +0.10 / +1.59% | 6.40 | 6.40 | 6.00 | 6.40 | 6.14 | 5.12 | 4,534,600 |   |  
            | 3/30/2015 | +0.50 / +8.62% | 6.30 | 6.30 | 6.00 | 6.30 | 6.02 | 5.04 | 3,200 |   |  			
            | 3/27/2015 | -0.50 / -7.94% | 6.40 | 6.50 | 5.80 | 5.80 | 6.40 | 4.64 | 500 |   |  
            | 3/26/2015 | -0.10 / -1.56% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 5.04 | 100 |   |  |